html {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    position: relative;
    width: 100%;
    height: 100%;
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    background: url('/static/images/background.jpg');
}

.login {
    position: absolute;
    top: 35%;
    left: 50%;
    margin: -180px 0 0 -180px;
    width: 360px;
    padding: 20px;
    box-sizing: border-box;
    opacity: 0.9;
    border-radius: 10px;
    text-align: center;
}

.login img {
    width: 200px;
}

.login h1 {
    letter-spacing: 1px;
    text-align: center;
    font-size: 25px;
    margin: 0.67em 0;
}

.login span {
    font-size: 14px;
    color: red;
}

input {
    width: 295px;
    height: 18px;
    margin-top: 25px;
    outline: none;
    padding: 10px;
    font-size: 15px;
    color: #312E3D;
    border-top: 1px solid #312E3D;
    border-left: 1px solid #312E3D;
    border-right: 1px solid #312E3D;
    border-bottom: 1px solid #56536A;
    border-radius: 4px;
    background-color: white;
}

.but {
    width: 318px;
    min-height: 20px;
    display: block;
    background-color: #4a77d4;
    border: 1px solid #3762bc;
    color: #fff;
    padding: 9px 14px;
    font-size: 15px;
    line-height: normal;
    border-radius: 5px;
    margin: 30px 0 0 0;
}

.login p {
    text-align: center;
}